Finding the Fourth Proportional to 1,824,140,762.44, 2,517,246,812.28 and 988,747,396.90
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Solution
The fourth proportional to 1,824,140,762.44, 2,517,246,812.28 and 988,747,396.90 is: 1,364,434,852.97
Step by Step Solution
- Step 1: Write the proportion equation
1,824,140,762.44 : 2,517,246,812.28 = 988,747,396.90 : x - Step 2: Convert to fraction form
1,824,140,762.44/2,517,246,812.28 = 988,747,396.90/x - Step 3: Cross multiply
1,824,140,762.44x = 2,517,246,812.28 × 988,747,396.90 - Step 4: Simplify right side
1,824,140,762.44x = 2,488,921,232,996,673,024 - Step 5: Solve for x
x = 2,488,921,232,996,673,024/1,824,140,762.44 - Step 6: Final answer
x = 1,364,434,852.97
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.